Home / 1,621,781.60-2,238,105.33-896,676.12

Finding the Fourth Proportional to 1,621,781.60, 2,238,105.33 and 896,676.12

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Solution

The fourth proportional to 1,621,781.60, 2,238,105.33 and 896,676.12 is: 1,237,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,781.60 : 2,238,105.33 = 896,676.12 : x
  2. Step 2: Convert to fraction form
    1,621,781.60/2,238,105.33 = 896,676.12/x
  3. Step 3: Cross multiply
    1,621,781.60x = 2,238,105.33 × 896,676.12
  4. Step 4: Simplify right side
    1,621,781.60x = 2,006,855,603,455.72
  5. Step 5: Solve for x
    x = 2,006,855,603,455.72/1,621,781.60
  6. Step 6: Final answer
    x = 1,237,438.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.